How much energy does it take to melt 15g of ice at #0^@ "C"#?

1 Answer
Apr 25, 2018

#"1.2 kcal"#

Explanation:

Heat of fusion: heat absorbed by a unit mass of a solid at its melting point in order to convert the solid into a liquid at the same temperature.

For ice, heat of fusion is approximately #"80 cal/g"#

Energy it takes for #"15 g"# ice is

#"Q" = 15 cancel"g" × 80\ "cal"/cancel"g" = "1200 cal = 1.2 kcal"#